Poyasnenie: Disk Marsa peresekaet samyi bol'shoi kan'on v Solnechnoi sisteme. On nazyvaetsya Dolina Marinera, protyanulsya bolee chem na 3 tysyachi kilometrov v dlinu, ego poperechnik – 600 kilometrov, a glubina – 8 kilometrov. Dlya sravneniya, zemnoi Bol'shoi kan'on v Arizone (SShA) prostiraetsya vsego na 800 kilometrov v dlinu, 30 kilometrov v shirinu i 1.8 kilometra v glubinu. Proishozhdenie Doliny Marinera ostaetsya neizvestnym. Naibolee veroyatnoi predstavlyaetsya gipoteza o tom, chto eto ogromnaya treshina, obrazovavshayasya milliardy let nazad vo vremya ostyvaniya planety. V kan'one byli zamecheny nekotorye geologicheskie processy. Eta fotografiya – mozaika iz bolee 100 snimkov Marsa, sdelannyh orbital'nymi apparatami Viking v 1970-h godah.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
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Publikacii s klyuchevymi slovami: Mars - Valles Marineris - Mars Publikacii so slovami: Mars - Valles Marineris - Mars
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